DE60131869D1 - Magnetische dichtungsvorrichtung - Google Patents

Magnetische dichtungsvorrichtung

Info

Publication number
DE60131869D1
DE60131869D1 DE60131869T DE60131869T DE60131869D1 DE 60131869 D1 DE60131869 D1 DE 60131869D1 DE 60131869 T DE60131869 T DE 60131869T DE 60131869 T DE60131869 T DE 60131869T DE 60131869 D1 DE60131869 D1 DE 60131869D1
Authority
DE
Germany
Prior art keywords
sealing device
magnetic sealing
magnetic
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE60131869T
Other languages
English (en)
Other versions
DE60131869T2 (de
Inventor
Hiroshi Anzai
Hirokazu Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nok Corp
Original Assignee
Nok Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nok Corp filed Critical Nok Corp
Publication of DE60131869D1 publication Critical patent/DE60131869D1/de
Application granted granted Critical
Publication of DE60131869T2 publication Critical patent/DE60131869T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lens Barrels (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
DE60131869T 2000-10-12 2001-10-09 Magnetische dichtungsvorrichtung Expired - Fee Related DE60131869T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000312622 2000-10-12
JP2000312622 2000-10-12
PCT/JP2001/008859 WO2002031385A1 (fr) 2000-10-12 2001-10-09 Dispositif de joint d'etancheite magnetique

Publications (2)

Publication Number Publication Date
DE60131869D1 true DE60131869D1 (de) 2008-01-24
DE60131869T2 DE60131869T2 (de) 2008-12-04

Family

ID=18792176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60131869T Expired - Fee Related DE60131869T2 (de) 2000-10-12 2001-10-09 Magnetische dichtungsvorrichtung

Country Status (8)

Country Link
US (1) US6769694B2 (de)
EP (1) EP1326038B1 (de)
JP (1) JP4078978B2 (de)
KR (1) KR100515015B1 (de)
CN (1) CN1297766C (de)
AU (1) AU2001294207A1 (de)
DE (1) DE60131869T2 (de)
WO (1) WO2002031385A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101264278B (zh) * 2008-04-24 2011-07-13 廖玉春 治疗白血病的中药组合物及其生产方法
JP2011127616A (ja) * 2009-12-15 2011-06-30 Kurimoto Ltd 磁気粘性流体を使用したシール手段を有する回転装置
CN101737494B (zh) * 2010-02-03 2011-07-20 北京交通大学 大直径法兰盘磁性液体静密封装置
TW201204965A (en) * 2010-07-23 2012-02-01 qi-yun Gong Sealing device
TW201204966A (en) 2010-07-23 2012-02-01 qi-yun Gong Magnetic fluid sealing device
US9360118B2 (en) * 2011-02-03 2016-06-07 Eagle Industry Co., Ltd. Magnetic fluid seal
DE102012017805A1 (de) 2012-09-10 2014-03-13 Christian Funke Dichtungsvorrichtung mit magnetischer Abschirmung und elektrischer Isolation unter Verwendung eines magnetorheologischen Mediums
NO337047B1 (no) * 2013-12-19 2016-01-11 Resonator As Oscillerende anordning med tetning smurt av ferrofluid
JP6297347B2 (ja) * 2014-02-14 2018-03-20 ミネベアミツミ株式会社 ピボットアッシー用軸受装置およびこれを用いた磁気ヘッド駆動装置
CN106402398A (zh) * 2016-10-21 2017-02-15 北京交通大学 一种无极靴的磁性液体密封装置
CN107842613B (zh) 2017-12-13 2019-04-02 广西科技大学 一种弧形阶梯式磁流体密封装置
US11199265B2 (en) * 2018-01-15 2021-12-14 Jiangsu University Pipe connection compensation device by magnetic fluid sealing
PL233831B1 (pl) * 2018-01-22 2019-11-29 Akademia Gorniczo Hutnicza Im Stanislawa Staszica W Krakowie Obrotowe uszczelnienie odsrodkowe z ciecza magnetyczna
CN111075929B (zh) * 2019-11-27 2021-12-07 维沃移动通信有限公司 伸缩组件和电子设备
CN112728104B (zh) * 2020-12-31 2022-03-04 清华大学 极齿填充多孔材料的磁性液体密封装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309040A (en) * 1980-06-03 1982-01-05 Ferrofluidics Corporation Linear seal apparatus
US4502700A (en) * 1984-05-03 1985-03-05 Ferrofluidics Corporation Ferrofluid linear seal apparatus
US4527805A (en) * 1984-05-03 1985-07-09 Ferrofluidics Corporation High-pressure ferrofluid seal apparatus
JPS6158770A (ja) 1984-08-31 1986-03-26 Pentel Kk 印字装置
JPS6158770U (de) * 1984-09-21 1986-04-19
NL8801925A (nl) * 1988-08-02 1990-03-01 Skf Ind Trading & Dev Afdichtsamenstel met een magnetische vloeistof.
JPH0285074A (ja) 1988-08-26 1990-03-26 Nissan Motor Co Ltd 車両用４輪操舵装置
JPH0285074U (de) * 1988-12-21 1990-07-03
JPH03213641A (ja) * 1990-01-17 1991-09-19 Isuzu Ceramics Kenkyusho:Kk ２サイクルエンジンのシリンダシール装置
JPH04101868U (ja) * 1991-02-12 1992-09-02 エヌオーケー株式会社 磁性流体シール装置
JPH0777282A (ja) * 1993-09-09 1995-03-20 Canon Inc 機器及び機械装置等におけるシール構造
JP3402716B2 (ja) * 1993-12-17 2003-05-06 理学電機株式会社 直進型磁性流体軸封装置
US5660397A (en) * 1994-09-23 1997-08-26 Holtkamp; William H. Devices employing a liquid-free medium
JP2000110948A (ja) 1998-08-03 2000-04-18 Nok Corp 磁性流体を利用した密封装置
JP3059381U (ja) * 1998-11-26 1999-07-09 株式会社フェローテック 磁性流体シール装置
US6290233B1 (en) * 1999-01-25 2001-09-18 Akira Yamamura Sealing apparatus
AU4782500A (en) * 1999-05-28 2000-12-18 Nok Corporation Light shielding structure

Also Published As

Publication number Publication date
AU2001294207A1 (en) 2002-04-22
CN1473251A (zh) 2004-02-04
WO2002031385A1 (fr) 2002-04-18
EP1326038B1 (de) 2007-12-12
EP1326038A4 (de) 2006-02-08
JPWO2002031385A1 (ja) 2004-02-19
US20040012150A1 (en) 2004-01-22
US6769694B2 (en) 2004-08-03
KR20030046498A (ko) 2003-06-12
KR100515015B1 (ko) 2005-09-15
DE60131869T2 (de) 2008-12-04
EP1326038A1 (de) 2003-07-09
JP4078978B2 (ja) 2008-04-23
CN1297766C (zh) 2007-01-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee